Each statement alone is sufficient- (ans: (d) area of the circle = pi (r^2), where r is the radius of circle.
take (1), length of arc = 2 pi r (angle subtended by the arc) / 360
or 5 = 2 pi r...Read More
Moses is different from the other prophets; he was the highest level of all prophets. Moshe speaks to G-d mouth to mouth where other prophets get spoken through visions and...Read More
Difficulty: Medium One way to do this problem is to think about the properties of roots. Suppose the two roots of a quadratic equation are a and b. Then the quadratic equation can be written in...Read More
No windows??? How did 100 people enter there? Of course using a door or doors
Now, if I started killing everyone with a knife, other people would notice me and escape through these, so the...Read More
Mathematicians have played a central role in revolutionizing the world. There are some names that we cannot forget. For many, the greatest mathematician was Srinivasa Ramanujan, belonging to...Read More
Parallel lines are lines that will never connect on a plane, and they are always at an equal distance apart. If stair steps are not parallel with each other, we will fall. Two parallel lines have...Read More
A lot of people are used to some of the terms that they have used in the past but as time goes by, people may forget what exactly they are for. Area and perimeter can be easy to interchange but...Read More